Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2011

Fair value of assets and liabilities on a recurring basis


			Quoted Prices
			in Active		Significant
			Markets for		Other
	Balance at		Identical		Observable		Unobservable
	September 30,		Assets		Inputs		Inputs
	2011		(Level 1)		(Level 2)		(Level 3)
ASSETS
Cash and cash equivalents (1)	$	125,775	$	125,775	$	—	$	—
Restricted cash		2,848		2,848		—		—
Marketable securities (2)		1,098		1,098		—		—


	$	129,721	$	129,721	$	—	$	—


LIABILITIES
Contingent consideration related to acquisitions	$	3,771	$	—	$	—	$	3,771


	$	3,771	$	—	$	—	$	3,771


			Quoted Prices
			in Active		Significant
			Markets for		Other
	Balance at		Identical		Observable		Unobservable
	March 31,		Assets		Inputs		Inputs
	2011		(Level 1)		(Level 2)		(Level 3)
ASSETS
Cash and cash equivalents (1)	$	116,617	$	116,617	$	—	$	—
Restricted cash		3,787		3,787		—		—
Marketable securities (2)		1,120		1,120		—		—


	$	121,524	$	121,524	$	—	$	—


LIABILITIES
Contingent consideration related to acquisitions	$	13,658	$	—	$	12,743	$	915


	$	13,658	$	—	$	12,743	$	915


(1)		Cash and cash equivalents consists of money market funds and certificates of deposit.

(2)		Marketable securities consists of municipal fixed-income municipal securities.

Company's assets and liabilities measured at fair value using significant unobservable inputs (Level 3)


	Total
	Liabilities
Balance at April 1, 2011	$	915
Acquisition (Note 3)		3,146
Earnout payments		(290	)
Fair Value Adjustments		—


Balance at September 30, 2011	$	3,771

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

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